spitzer
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Astronomers Spot Cataclysmic Collision of Giant Asteroids in Nearby Star System
Nearly 20 years ago, astronomers observed a massive cloud of fine dust particles around a young star located just 63 light-years away from Earth. In recent observations from the Webb Space Telescope, however, the dust cloud had mysteriously vanished. Now, a new paper suggests the dust cloud may have been caused by a violent event…
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Webb Telescope Data Suggests There May Not Be a Ton of Supermassive Black Holes
A team of researchers scrutinising the Extended Groth Strip, a region of space between the constellations Ursa Major and Boötes, saw fewer growing supermassive black holes and less dust than they expected. The team was investigating active galactic nuclei, or AGN, galactic cores that expel high amounts of radiation, sometimes in the form of particle…
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Proposed Mission Seeks to Resurrect Retired Spitzer Space Telescope
For more than three years, NASA’s Spitzer Space Telescope has been idly coasting around the Sun while locked in a retirement safe mode, while its successor, the Webb Telescope, took over its cosmic observation duties. An upcoming servicing mission, however, could give the old telescope a new purpose: protecting Earth from dangerous asteroids.
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Webb Telescope Brings a Once-Fuzzy Galaxy Into Focus
Side-by-side shots of the the dwarf galaxy Wolf-Lundmark-Melotte, taken by NASA’s Spitzer Space Telescope and the Webb Space Telescope, reveal the impressive resolution offered by the newer telescope.